1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef Vertex_hpp 16 #define Vertex_hpp 17 18 #include "Device/Config.hpp" 19 #include "System/Types.hpp" 20 21 namespace sw { 22 23 struct alignas(16) Vertex 24 { 25 union 26 { 27 struct 28 { 29 float x; 30 float y; 31 float z; 32 float w; 33 }; 34 35 float4 position; 36 }; 37 38 float pointSize; 39 40 int clipFlags; 41 int cullMask; 42 float clipDistance[MAX_CLIP_DISTANCES]; 43 float cullDistance[MAX_CLIP_DISTANCES]; 44 45 alignas(16) struct 46 { 47 int x; 48 int y; 49 float z; 50 float w; 51 } projected; 52 53 alignas(16) float v[MAX_INTERFACE_COMPONENTS]; 54 }; 55 56 static_assert((sizeof(Vertex) & 0x0000000F) == 0, "Vertex size not a multiple of 16 bytes (alignment requirement)"); 57 58 } // namespace sw 59 60 #endif // Vertex_hpp 61